[PATCH] D70753: hwasan: add tag_offset DWARF attribute to optimized debug info

[Evgenii Stepanov via Phabricator via llvm-commits]

eugenis created this revision.
eugenis added a reviewer: pcc.
Herald added subscribers: hiraditya, aprantl, srhines.
Herald added a project: LLVM.
eugenis added a reviewer: echristo.
Herald added a subscriber: ormris.

Support alloca-referencing dbg.value in hwasan instrumentation.
Update AsmPrinter to emit DW_AT_LLVM_tag_offset when location is in
loclist format.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D70753

Files:
  llvm/lib/CodeGen/AsmPrinter/DebugLocStream.cpp
  llvm/lib/CodeGen/AsmPrinter/DebugLocStream.h
  llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
  llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
  llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
  llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
  llvm/test/CodeGen/AArch64/dbg-value-tag-offset.ll
  llvm/test/Instrumentation/HWAddressSanitizer/dbg-value-tag-offset.ll

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